/Engine/Source/Runtime/GameplayTags/Classes/GameplayTagsManager.h
Allows dynamic hiding of gameplay tags inSGameplayTagWidget. Allows higher order structs to dynamically change which tags are visible based on its own data
typedef TMulticastDelegate_ThreeParams< void, const [FString](API\Runtime\Core\Containers\FString) &, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FGameplayTagNode](API\Runtime\GameplayTags\FGameplayTagNode) > &, bool & > FOnFilterGameplayTagChildren